ROTATING MEMBER, KNEADING MACHINE MEMBER, AND KNEADING MACHINE USING SAME, BEARING AND BEARING UNIT USING SAME
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United States of America Patent
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Issued Date -
Jun 24, 2021
app pub date -
Aug 27, 2019
filing date -
Aug 27, 2019
priority date (Note) -
Published
status (Latency Note)
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Abstract
A rotating member of the present disclosure mainly includes ceramics and includes a first through-hole into which a shaft is inserted and a second through-hole into which a key protruding from an outer peripheral surface of the shaft or a solid lubricant in direct or indirect sliding contact with the outer peripheral surface of the shaft is inserted. The second through-hole is a polygonal shape if viewed in an axial direction of the first through-hole and includes a notch part extending along the axial direction at at least one corner.
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